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  • PhysRevResearch.2.032010

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Random-matrix perspective on many-body entanglement with a finite localization length

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Article number032010(R)
<mark>Journal publication date</mark>8/07/2020
<mark>Journal</mark>Physical Review Research
Number of pages6
Publication StatusPublished
<mark>Original language</mark>English


We provide a simple and predictive random-matrix framework that naturally generalizes Page's law for ergodic many-body systems by incorporating a finite entanglement localization length. By comparing a highly structured one-dimensional model to a completely unstructured model and a physical system, we uncover a remarkable degree of universality, suggesting that the effective localization length is a universal combination of model parameters up until it drops down to the microscopic scale.